The Harnack inequalities for nonnegative solutions of an elliptic and ultra-hyperbolic equation

DOI10.3390/MCA7030229zbMath1016.35007OpenAlexW2329439433MaRDI QIDQ1848708

Fatma Taşdelen, Nuri Ozalp

Publication date: 21 January 2003

Published in: Mathematical \& Computational Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3390/mca7030229

zbMATH Keywords

harmonic functionssingular coefficientsGASPT equation

Mathematics Subject Classification ID

A priori estimates in context of PDEs (35B45) Harmonic, subharmonic, superharmonic functions in two dimensions (31A05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Hyperbolic equations and hyperbolic systems (35L99)

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